Characters in Nancy Drew: Sea of Darkness:
- Dagny Silva
- Soren Bergursson
- Elísabet Grimursdóttir
- Magnus Kiljansson
- Gunnar Tonnisson
- Ned Nickerson – Phone
- Alex Trang – Phone/Radio
Other Characters:
Captain Lawrence – The original ship’s captain.
Burt Eddleton – Ned’s friend and roommate at college. He is heard over the phone when Ned talks to Nancy.
Moira Chisholm – her name is written in Dagny’s book, she is the one who recommended Nancy.